Question

The circumference of third orbit of He* ion is Im The de-Broglie wavelength of electron revolving in this orbit will​

Answer 1

Answer:

$Correct option is</p><p></p><p>A</p><p></p><p>3x m</p><p></p><p>We know mvr=nh/2π</p><p></p><p>so 2πr/n=h/mv</p><p></p><p>λ=h/mv</p><p></p><p>2πr=x m</p><p></p><p>and n=3</p><p></p><p>substituting the value and we get</p><p></p><p>λ=x/3 m</p><p></p><p>$

Answer 2

Answer:

Correct option is

A :- 3x/m

We know mvr=nh/2π

so 2πr/n=h/mv

λ=h/mv

2πr=x m

and n=3

substituting the value and we get

λ=x/3 m.

Hope it helps !!!

Hit thanks !!!